000 00285 a2200109 4500
008 190218b xxu||||| |||| 00| 0
100 _aEdmondson, W. T.
245 _aFreshwater biology /
_cW. T. Edmondson
260 _aNew York
_bJonh Willey & Sons
_c1959
300 _a618p.
942 _2ddc
_cBK
999 _c8331
_d8331